8
3.
Once the gauge on the lid registers ~-30hg (allow for 2 degrees of
inaccuracy) the inlet valve can be placed into the ‘off’ position and the
pump and hose disconnected. (The pump can be turned off at this point)
Your product should expand in the chamber and form a ‘muffin’ while
under a vacuum.
This is a normal part of degassing and the ‘muffin’ should not touch the
lid. If you feel it is going to, very slowly open the valve and as soon as
the product begins to shrink, close the valve again and then let it sit.
2.
If using in conjunction to a heat mat, place the chamber onto the mat,
preheated at ~25°c
.
